6858472865 has 8 divisors (see below), whose sum is σ = 8233779840. Its totient is φ = 5484370032.

The previous prime is 6858472861. The next prime is 6858472871. The reversal of 6858472865 is 5682748586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6858472865 - 2² = 6858472861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6858472861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288455 + ... + 311324.

It is an arithmetic number, because the mean of its divisors is an integer number (1029222480).

Almost surely, 2^6858472865 is an apocalyptic number.

It is an amenable number.

6858472865 is a deficient number, since it is larger than the sum of its proper divisors (1375306975).

6858472865 is a wasteful number, since it uses less digits than its factorization.

6858472865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602071.

The product of its digits is 25804800, while the sum is 59.

The square root of 6858472865 is about 82815.8974171022. The cubic root of 6858472865 is about 1899.9513251612.

The spelling of 6858472865 in words is "six billion, eight hundred fifty-eight million, four hundred seventy-two thousand, eight hundred sixty-five".